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Chinese printing character image synthesis method and device

A technology for printing characters and image synthesis, applied in the field of optical character recognition, can solve the problems of no overall solution, inability to adapt to application requirements, changes, etc., to achieve the effect of meeting application requirements

Inactive Publication Date: 2017-10-20
ZHONGAN INFORMATION TECH SERVICES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, these methods have not been able to form a set of overall solutions, especially unable to adapt to changes in various application requirements

Method used

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  • Chinese printing character image synthesis method and device
  • Chinese printing character image synthesis method and device
  • Chinese printing character image synthesis method and device

Examples

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preparation example Construction

[0080] figure 1 It shows the flow of the method for synthesizing Chinese printed character images in an embodiment of the present invention. Such as figure 1 As shown, the Chinese printing character image synthesis method comprises steps:

[0081] S101: Receive character requirements or graphic characters input by the user, and generate corresponding standard characters.

[0082] S102: Receive a background image input by a user, and generate a corresponding background template.

[0083] S103: Receive the conversion requirement input by the user, and convert the standard characters according to the conversion requirement, so as to generate a corresponding extended set of characters.

[0084] S104: Synthesize the extended characters in the extended character set with the background template to generate a synthesized character image.

[0085] In some implementations, when the user input is a graphic character, step S101 includes: segmenting and extracting the character contai...

Embodiment 1

[0115] image 3 The specific flow of step S103 in Embodiment 1 is shown. Figure 5 A standard character image of the character "Lu" in Embodiment 1 is shown. Image 6 A partially expanded character image of the character "路" in Embodiment 1 is shown. Figure 7 shown Image 6 Composite character image with document background corresponding to the extended character image in .

[0116] combined reference figure 1 , figure 2 as well as image 3 , this embodiment passes figure 2 The device for synthesizing Chinese printed characters shown in figure 1 The Chinese printing character image synthesis method shown, wherein:

[0117] Character preprocessing unit 901 executes step S101:

[0118] The character demand input by the current user is "standard thin black font". "font", the character is binarized to generate a standard character, and then the standard character is saved as a corresponding standard character image. where the standard character image for the characte...

Embodiment 2

[0131] Figure 4 The specific flow of step S103 in Embodiment 2 is shown. Figure 8 A standard character image of the character "Wo" in Example 2 is shown. Figure 9 Part of the expanded character image of the character "Wo" in Example 2 is shown. Figure 10 shown Figure 9 Composite character image with ticket background corresponding to the extended character image in .

[0132] combined reference figure 1 , figure 2 as well as Figure 4 , this embodiment passes figure 2 The device for synthesizing Chinese printed characters shown in figure 1 The Chinese printing character image synthesis method shown, wherein:

[0133] Character preprocessing unit 901 executes step S101:

[0134] The character demand input by the current user is "standard Song typeface", and the character preprocessing unit 901 automatically generates "standard Song typeface" of Chinese first-class characters, second-class characters, English letters and numbers after receiving the character dema...

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Abstract

The invention discloses a Chinese printing character image synthesis method, including the steps of S101. receiving a character requirement or image character input by a user, and generating corresponding standard characters; S102. receiving a background image input by the user, and generating a corresponding background template; S103. receiving a conversion requirement input by the user, and converting the standard characters according to the conversion requirement to generate a corresponding character extension set; and S104. synthesizing extended characters in the character extension set with the background template, thereby generating a synthesized character image. Correspondingly, the invention also proposes a Chinese printing character image synthesis device which executes the abovementioned method. The method and device provided by the invention can conveniently and rapidly extend to generate Chinese printing characters and synthesize the Chinese printing character image, thereby satisfying various application requirements, such as a capability of simulating a dot matrix effect and a local distortion effect in printed characters, and a vivid character sample is generated, and model training convenient for deep learning is facilitated.

Description

technical field [0001] The invention relates to the field of optical character recognition, in particular to a printing character image synthesis method and device. Background technique [0002] Image recognition of printed characters in documents and bills is a branch of the field of optical character recognition (OCR). Unlike handwriting recognition, it focuses more on recognizing machine-printed characters that appear in images and is language-dependent. [0003] Chinese printed character recognition is more complicated than English character recognition, because there are many types of Chinese characters, for example: in the national Chinese standard character set GB2312, there are only 6763 kinds of first-class and second-class characters. [0004] Recognizing so many characters requires a good deep learning model, and training a good deep neural network model (DNN) requires a large number of high-quality training samples that can not only cover every Chinese character,...

Claims

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Application Information

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IPC IPC(8): G06T3/40G06T11/60G06V30/10
CPCG06T3/4007G06T11/60G06V30/153G06V30/10G06V10/82G06V30/19173G06T7/11G06T3/4084G06T3/02G06T3/10
Inventor 李宏宇
Owner ZHONGAN INFORMATION TECH SERVICES CO LTD
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